Battery checker



FIG. 1 is a top view of the battery checker showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a sectional view taken on line VII—VII of FIG. 1. The batteries are shown in broken lines in FIG. 7 for illustrative purpose only and form no part of the claimed design. 

The ornamental design for a battery checker, as shown and described. 